On 1/21/20 1:29 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > The mm-of-the-moment snapshot 2020-01-21-13-28 has been uploaded to > > http://www.ozlabs.org/~akpm/mmotm/ > > mmotm-readme.txt says > > README for mm-of-the-moment: > > http://www.ozlabs.org/~akpm/mmotm/ > > This is a snapshot of my -mm patch queue. Uploaded at random hopefully > more than once a week. and when CONFIG_PROC_FS is not set/enabled, kernel/sched/psi.c gets: ../kernel/sched/psi.c: In function ‘psi_proc_init’: ../kernel/sched/psi.c:1287:56: error: macro "proc_create" requires 4 arguments, but only 3 given proc_create("pressure/cpu", 0, NULL &psi_cpu_proc_ops); ^ ../kernel/sched/psi.c:1287:3: error: ‘proc_create’ undeclared (first use in this function); did you mean ‘sock_create’? proc_create("pressure/cpu", 0, NULL &psi_cpu_proc_ops); ^~~~~~~~~~~ sock_create -- ~Randy